Daniel Hugenroth
@lambda.bsky.social
Computer Security Researcher @ Cambridge (https://www.danielhugenroth.com) and Co-Founder @ Light Squares (https://www.lightsquares.dev)
And if you are interested in more Rust details 🦀, I'll be giving a deep-dive into some more Rust details in the evening (also Wednesday, 12th Nov) at the Cambridge Rust Meetup: www.meetup.com/cambridge-ru...
Monthly Rust Meetup, Wed, Nov 12, 2025, 6:45 PM | Meetup
Join us for the new and improved monthly Cambridge Rust meetup, hosted at Quantinuum's office on Hill's Road.
**Speaker:** **Daniel Hugenroth**
**Topic:** In an era where
www.meetup.com
November 10, 2025 at 1:59 PM
And if you are interested in more Rust details 🦀, I'll be giving a deep-dive into some more Rust details in the evening (also Wednesday, 12th Nov) at the Cambridge Rust Meetup: www.meetup.com/cambridge-ru...
The 2020 SolarWind accident was one of the big cases where a compromised build environment lead to a far-spreading (and hard-to-detect) cyber incident. The Guardian just published a great article with the SolarWind CISO revisiting the events five years later: www.theguardian.com/technology/2...
‘I lost 25 pounds in 20 days’: what it’s like to be on the frontline of a global cyber-attack
The security chief of SolarWinds reflects on the Russian hack that exposed US government agencies – and the heart attack he suffered in the aftermath
www.theguardian.com
October 24, 2025 at 8:10 AM
The 2020 SolarWind accident was one of the big cases where a compromised build environment lead to a far-spreading (and hard-to-detect) cyber incident. The Guardian just published a great article with the SolarWind CISO revisiting the events five years later: www.theguardian.com/technology/2...
The extended paper is available here as open-access: www.cl.cam.ac.uk/techreports/...
October 24, 2025 at 8:10 AM
The extended paper is available here as open-access: www.cl.cam.ac.uk/techreports/...
↩️ Back-link to the launch post: bsky.app/profile/lamb...
June 27, 2025 at 2:01 PM
↩️ Back-link to the launch post: bsky.app/profile/lamb...
There are a lot of insights in both the original PETS paper (petsymposium.org/2022/files/p...) and Diana's PhD thesis (www.repository.cam.ac.uk/items/ec87dd...).
June 27, 2025 at 1:58 PM
There are a lot of insights in both the original PETS paper (petsymposium.org/2022/files/p...) and Diana's PhD thesis (www.repository.cam.ac.uk/items/ec87dd...).
And if you like to learn more about the CoverDrop research behind SecureMessaging: www.coverdrop.org
CoverDrop: Blowing the Whistle Through A News App
www.coverdrop.org
June 20, 2025 at 9:50 AM
And if you like to learn more about the CoverDrop research behind SecureMessaging: www.coverdrop.org
Yes, the full CoverDrop system is open-source, we had an OTF-sponsored audit, and we have shared the design early with other researchers for feedback. github.com/guardian/cov...
GitHub - guardian/coverdrop: Blowing the whistle through a news app
Blowing the whistle through a news app. Contribute to guardian/coverdrop development by creating an account on GitHub.
github.com
June 9, 2025 at 3:03 PM
Yes, the full CoverDrop system is open-source, we had an OTF-sponsored audit, and we have shared the design early with other researchers for feedback. github.com/guardian/cov...
Thank you so much @martin.kleppmann.com for all your help, guidance, and feedback during this project! Especially with the tricky bits around key rotation and concurrency. And glad that we were able to distill some insights from the production world already into our P79 course.
June 9, 2025 at 1:05 PM
Thank you so much @martin.kleppmann.com for all your help, guidance, and feedback during this project! Especially with the tricky bits around key rotation and concurrency. And glad that we were able to distill some insights from the production world already into our P79 course.
There’s a lot more to say, and I’ll highlight some aspects that I’m particularly excited about over the next few weeks.
June 9, 2025 at 1:02 PM
There’s a lot more to say, and I’ll highlight some aspects that I’m particularly excited about over the next few weeks.
Our CoverDrop white paper has a lot more technical details and we are immensely grateful to everyone who have provided us with valuable feedback throughout this project: www.cl.cam.ac.uk/techreports/...
www.cl.cam.ac.uk
June 9, 2025 at 1:02 PM
Our CoverDrop white paper has a lot more technical details and we are immensely grateful to everyone who have provided us with valuable feedback throughout this project: www.cl.cam.ac.uk/techreports/...
The university team has prepared a lil’ announcement as well: www.cam.ac.uk/research/new...
Whistleblowing tech based on Cambridge research launched by the Guardian
Whistleblowers can contact journalists more securely thanks to a new confidential and anonymous messaging technology co-developed by University of Cambridge
www.cam.ac.uk
June 9, 2025 at 1:02 PM
The university team has prepared a lil’ announcement as well: www.cam.ac.uk/research/new...
The launch article by Katharine Viner provides a great overview on how CoverDrop works, our collaboration with The Guardian, and why this system is so important: www.theguardian.com/membership/2...
In a dangerous era for journalism – a powerful new tool to help protect sources
Today, the Guardian, in collaboration with the University of Cambridge, launches Secure Messaging, a world-first from a media organisation
www.theguardian.com
June 9, 2025 at 1:02 PM
The launch article by Katharine Viner provides a great overview on how CoverDrop works, our collaboration with The Guardian, and why this system is so important: www.theguardian.com/membership/2...
GitHub repo here: github.com/lambdapionee...
April 28, 2025 at 4:14 PM
GitHub repo here: github.com/lambdapionee...
PETS paper here: petsymposium.org/popets/2024/...
April 28, 2025 at 4:14 PM
PETS paper here: petsymposium.org/popets/2024/...